package com.jt.service;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.jt.mapper.UserMapper;
import com.jt.pojo.User;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.HashMap;
import java.util.List;
import java.util.Map;

@Service
public class UserServiceImpl implements UserService {

    private static Map<Integer, String> paramMap = new HashMap<>();

    static {
        paramMap.put(1, "username");
        paramMap.put(2, "phone");
        paramMap.put(3, "email");
    }

    @Autowired
    private UserMapper userMapper;

    /**
     * 根据用户传递的参数,获取数据库记录
     *
     * @param param
     * @param type
     * @return
     */
    @Override
    public boolean checkUser(String param, Integer type) {
        String column = paramMap.get(type);
        QueryWrapper<User> queryWrapper = new QueryWrapper<>();
        queryWrapper.eq(column, param);
        int count = userMapper.selectCount(queryWrapper);
//        return count>0?true:false;
        return count > 0;
    }

    @Override
    public List<User> findUserList() {
        return userMapper.selectList(null);
    }
}
